X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fpdf%2Fpdf.cc;h=9390e4a28b214ad8119632f734c8b4749d705047;hb=d0f9d82a8652cedc913671a2caf8d7a367beadb1;hp=81f16bfb9ddb8c2b36295154fd8fdf6e3f9c8aec;hpb=d4374435d4c10e2db76801995e69062a15df0bae;p=swftools.git

diff --git a/lib/pdf/pdf.cc b/lib/pdf/pdf.cc
index 81f16bf..9390e4a 100644
--- a/lib/pdf/pdf.cc
+++ b/lib/pdf/pdf.cc
@@ -1,24 +1,26 @@
 #include "../gfxdevice.h"
 #include "../gfxsource.h"
+#include "../devices/rescale.h"
 #include "../log.h"
+#include "config.h"
 #include "GlobalParams.h"
 #include "InfoOutputDev.h"
 #include "GFXOutputDev.h"
+#include "BitmapOutputDev.h"
 #include "../mem.h"
 #include "pdf.h"
 #define NO_ARGPARSER
 #include "../args.h"
 
-static parameter_t* device_config = 0;
-static parameter_t* device_config_next = 0;
-
-int jpeg_dpi = 0;
-int ppm_dpi = 0;
-
 static double zoom = 72; /* xpdf: 86 */
-
+static int jpeg_dpi = 0;
+static int ppm_dpi = 0;
+static int multiply = 1;
 static char* global_page_range = 0;
 
+static parameter_t* device_config = 0;
+static parameter_t* device_config_next = 0;
+
 typedef struct _pdf_page_info
 {
     int xMin, yMin, xMax, yMax;
@@ -32,10 +34,13 @@ typedef struct _pdf_page_info
 typedef struct _pdf_doc_internal
 {
     int protect;
+    int nocopy;
     PDFDoc*doc;
+    Object docinfo;
     InfoOutputDev*info;
-    GFXOutputDev*outputDev;
+    CommonOutputDev*outputDev;
     pdf_page_info_t*pages;
+    gfxdevice_t* middev;
 } pdf_doc_internal_t;
 
 typedef struct _pdf_page_internal
@@ -44,7 +49,7 @@ typedef struct _pdf_page_internal
 
 typedef struct _dev_output_internal
 {
-    GFXOutputDev*outputDev;
+    CommonOutputDev*outputDev;
 } dev_output_internal_t;
 
 
@@ -65,10 +70,16 @@ void pdfpage_destroy(gfxpage_t*pdf_page)
     free(pdf_page);pdf_page=0;
 }
 
-void render2(gfxpage_t*page, gfxdevice_t*output)
+void render2(gfxpage_t*page, gfxdevice_t*dev)
 {
     pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
-
+    
+    if(pi->middev) {
+	gfxdevice_rescale_setdevice(pi->middev, dev);
+	pi->middev->setparameter(pi->middev, "protect", "1");
+	dev = pi->middev;
+    } 
+	
     if(!pi) {
 	msg("<fatal> pdf_page_render: Parent PDF this page belongs to doesn't exist yet/anymore");
 	return;
@@ -79,44 +90,64 @@ void render2(gfxpage_t*page, gfxdevice_t*output)
 	return;
     }
 
+    pi->outputDev->setDevice(dev);
+
     if(pi->protect) {
-	gfxdevice_t*dev = pi->outputDev->device;
         dev->setparameter(dev, "protect", "1");
     }
-    pi->outputDev->setInfo(pi->info);
-    pi->outputDev->setXRef(pi->doc, pi->doc->getXRef());
-    pi->doc->displayPage((OutputDev*)pi->outputDev, page->nr, zoom, zoom, /*rotate*/0, true, true, /*doLinks*/(int)1);
+    
+    /* pass global parameters to output device */
+    parameter_t*p = device_config;
+    while(p) {
+	dev->setparameter(dev, p->name, p->value);
+	p = p->next;
+    }
+    pi->doc->displayPage((OutputDev*)pi->outputDev, page->nr, zoom*multiply, zoom*multiply, /*rotate*/0, true, true, /*doLinks*/(int)1);
+    pi->doc->processLinks((OutputDev*)pi->outputDev, page->nr);
+    pi->outputDev->setDevice(0);
+    if(pi->middev) {
+	gfxdevice_rescale_setdevice(pi->middev, 0x00000000);
+    }
 }
 
     
 void pdfpage_render(gfxpage_t*page, gfxdevice_t*output)
 {
     pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
-    pi->outputDev->setDevice(output);
     pi->outputDev->setMove(0,0);
     pi->outputDev->setClip(0,0,0,0);
     render2(page, output);
-    pi->outputDev->setDevice(0);
 }
 
 void pdfpage_rendersection(gfxpage_t*page, gfxdevice_t*output, gfxcoord_t x, gfxcoord_t y, gfxcoord_t _x1, gfxcoord_t _y1, gfxcoord_t _x2, gfxcoord_t _y2)
 {
-    int x1=(int)_x1,y1=(int)_y1,x2=(int)_x2,y2=(int)_y2;
     pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
-    pi->outputDev->setDevice(output);
-    pi->outputDev->setMove((int)x,(int)y);
+
+    int x1=(int)_x1,y1=(int)_y1,x2=(int)_x2,y2=(int)_y2;
     if((x1|y1|x2|y2)==0) x2++;
-    pi->outputDev->setClip((int)x1,(int)y1,(int)x2,(int)y2);
+
+    pi->outputDev->setMove((int)x*multiply,(int)y*multiply);
+    pi->outputDev->setClip((int)x1*multiply,(int)y1*multiply,(int)x2*multiply,(int)y2*multiply);
     render2(page, output);
-    pi->outputDev->setDevice(0);
 }
 
+static int globalparams_count=0;
+
 void pdf_doc_destroy(gfxdocument_t*gfx)
 {
     pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
 
+    if(i->outputDev) {
+	delete i->outputDev;i->outputDev=0;
+    }
+    if(i->middev) {
+	gfxdevice_rescale_setdevice(i->middev, 0x00000000);
+	i->middev->finish(i->middev);
+    }
     delete i->doc; i->doc=0;
     free(i->pages); i->pages = 0;
+
+    i->docinfo.free();
     
     if(i->info) {
 	delete i->info;i->info=0;
@@ -129,18 +160,25 @@ void pdf_doc_destroy(gfxdocument_t*gfx)
 	free(global_page_range);
 	global_page_range = 0;
     }
+    
+    /*globalparams_count--;
+    if(!globalparams_count) {
+	delete globalParams;
+	globalParams = 0;
+	globalparams_count = 0;
+    }*/
 }
 
-void pdf_doc_set_parameter(gfxdocument_t*gfx, char*name, char*value)
+void pdf_doc_set_parameter(gfxdocument_t*gfx, const char*name, const char*value)
 {
     pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
+    CommonOutputDev*o = i->outputDev;
     if(!strcmp(name, "pagemap")) {
-	GFXOutputDev*o = i->outputDev;
 	int pdfpage=0, outputpage=0;
 	sscanf(value,"%d:%d", &pdfpage, &outputpage);
 	o->preparePage(pdfpage, outputpage);
     } else {
-	msg("<warning> Ignored parameter: %s=%s", name, value);
+        o->setParameter(name, value);
     }
 }
 
@@ -150,6 +188,10 @@ gfxpage_t* pdf_doc_getpage(gfxdocument_t*doc, int page)
 
     if(page < 1 || page > doc->num_pages)
         return 0;
+    if(di->nocopy) {
+        msg("<error> PDF disallows copying.");
+        return 0;
+    }
     
     gfxpage_t* pdf_page = (gfxpage_t*)malloc(sizeof(gfxpage_t));
     pdf_page_internal_t*pi= (pdf_page_internal_t*)malloc(sizeof(pdf_page_internal_t));
@@ -167,7 +209,84 @@ gfxpage_t* pdf_doc_getpage(gfxdocument_t*doc, int page)
     return pdf_page;
 }
 
-void storeDeviceParameter(char*name, char*value)
+static char*getInfoString(Dict *infoDict, char *key)
+{
+    Object obj;
+    GString *s1, *s2;
+    int i;
+
+    if (infoDict && infoDict->lookup(key, &obj)->isString()) {
+	s1 = obj.getString();
+	if ((s1->getChar(0) & 0xff) == 0xfe &&
+	    (s1->getChar(1) & 0xff) == 0xff) {
+	    s2 = new GString();
+	    for (i = 2; i < obj.getString()->getLength(); i += 2) {
+	      if (s1->getChar(i) == '\0') {
+		s2->append(s1->getChar(i+1));
+	      } else {
+		delete s2;
+		s2 = new GString("<unicode>");
+		break;
+	      }
+	    }
+	    char*ret = strdup(s2->getCString());
+	    delete s2;
+	    obj.free();
+	    return ret;
+	} else {
+	    char*ret = strdup(s1->getCString());
+	    obj.free();
+	    return ret;
+	}
+    }
+    return strdup("");
+}
+
+static char*getInfoDate(Dict *infoDict, char *key) 
+{
+    Object obj;
+    char *s;
+
+    if (infoDict && infoDict->lookup(key, &obj)->isString()) {
+	s = obj.getString()->getCString();
+	if (s[0] == 'D' && s[1] == ':') {
+	  s += 2;
+	}
+	char*ret = strdup(s);
+	obj.free();
+	return ret;
+    }
+    return strdup("");
+}
+
+char* pdf_doc_getinfo(gfxdocument_t*doc, const char*name)
+{
+    pdf_doc_internal_t*i= (pdf_doc_internal_t*)doc->internal;
+    if(!strcmp(name, "title")) return getInfoString(i->docinfo.getDict(), "Title");
+    else if(!strcmp(name, "subject")) return getInfoString(i->docinfo.getDict(), "Subject");
+    else if(!strcmp(name, "keywords")) return getInfoString(i->docinfo.getDict(), "Keywords");
+    else if(!strcmp(name, "author")) return getInfoString(i->docinfo.getDict(), "Author");
+    else if(!strcmp(name, "creator")) return getInfoString(i->docinfo.getDict(), "Creator");
+    else if(!strcmp(name, "producer")) return getInfoString(i->docinfo.getDict(), "Producer");
+    else if(!strcmp(name, "creationdate")) return getInfoDate(i->docinfo.getDict(), "CreationDate");
+    else if(!strcmp(name, "moddate")) return getInfoDate(i->docinfo.getDict(), "ModDate");
+    else if(!strcmp(name, "linearized")) return strdup(i->doc->isLinearized() ? "yes" : "no");
+    else if(!strcmp(name, "tagged")) return strdup(i->doc->getStructTreeRoot()->isDict() ? "yes" : "no");
+    else if(!strcmp(name, "encrypted")) return strdup(i->doc->isEncrypted() ? "yes" : "no");
+    else if(!strcmp(name, "oktoprint")) return strdup(i->doc->okToPrint() ? "yes" : "no");
+    else if(!strcmp(name, "oktocopy")) return strdup(i->doc->okToCopy() ? "yes" : "no");
+    else if(!strcmp(name, "oktochange")) return strdup(i->doc->okToChange() ? "yes" : "no");
+    else if(!strcmp(name, "oktoaddnotes")) return strdup(i->doc->okToAddNotes() ? "yes" : "no");
+    else if(!strcmp(name, "version")) { 
+        char buf[32];
+        sprintf(buf, "%.1f", i->doc->getPDFVersion());
+        return strdup(buf);
+    }
+    return 0;
+}
+
+
+static void storeDeviceParameter(const char*name, const char*value)
 {
     parameter_t*p = new parameter_t();
     p->name = strdup(name);
@@ -182,8 +301,14 @@ void storeDeviceParameter(char*name, char*value)
     }
 }
 
-void pdf_set_parameter(char*name, char*value)
+typedef struct _gfxsource_internal
 {
+    int config_bitmap_optimizing;
+} gfxsource_internal_t;
+
+static void pdf_set_parameter(gfxsource_t*src, const char*name, const char*value)
+{
+    gfxsource_internal_t*i = (gfxsource_internal_t*)src->internal;
     msg("<verbose> setting parameter %s to \"%s\"", name, value);
     if(!strncmp(name, "fontdir", strlen("fontdir"))) {
         addGlobalFontDir(value);
@@ -210,57 +335,23 @@ void pdf_set_parameter(char*name, char*value)
 	ppm_dpi = atoi(value);
 	sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
 	storeDeviceParameter("ppmsubpixels", buf);
-    } else {
-	storeDeviceParameter(name,value);
-    }
+    } else if(!strcmp(name, "poly2bitmap")) {
+        i->config_bitmap_optimizing = atoi(value);
+    } else if(!strcmp(name, "multiply")) {
+        multiply = atoi(value);
+    } else if(!strcmp(name, "help")) {
+	printf("\nPDF device global parameters:\n");
+	printf("fontdir=<dir>   a directory with additional fonts\n");
+	printf("font=<filename> an dditional font filename\n");
+	printf("pages=<range>   the range of pages to convert (example: pages=1-100,210-)\n");
+	printf("zoom=<dpi>      the resultion (default: 72)\n");
+    }	
+    storeDeviceParameter(name,value);
 }
 
-static void printInfoString(Dict *infoDict, char *key, char *fmt) {
-  Object obj;
-  GString *s1, *s2;
-  int i;
-
-  if (infoDict->lookup(key, &obj)->isString()) {
-    s1 = obj.getString();
-    if ((s1->getChar(0) & 0xff) == 0xfe &&
-	(s1->getChar(1) & 0xff) == 0xff) {
-      s2 = new GString();
-      for (i = 2; i < obj.getString()->getLength(); i += 2) {
-	if (s1->getChar(i) == '\0') {
-	  s2->append(s1->getChar(i+1));
-	} else {
-	  delete s2;
-	  s2 = new GString("<unicode>");
-	  break;
-	}
-      }
-      printf(fmt, s2->getCString());
-      delete s2;
-    } else {
-      printf(fmt, s1->getCString());
-    }
-  }
-  obj.free();
-}
-
-static void printInfoDate(Dict *infoDict, char *key, char *fmt) {
-  Object obj;
-  char *s;
-
-  if (infoDict->lookup(key, &obj)->isString()) {
-    s = obj.getString()->getCString();
-    if (s[0] == 'D' && s[1] == ':') {
-      s += 2;
-    }
-    printf(fmt, s);
-  }
-  obj.free();
-}
-
-
-
-gfxdocument_t*pdf_open(char*filename)
+static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
 {
+    gfxsource_internal_t*isrc = (gfxsource_internal_t*)src->internal;
     gfxdocument_t*pdf_doc = (gfxdocument_t*)malloc(sizeof(gfxdocument_t));
     memset(pdf_doc, 0, sizeof(gfxdocument_t));
     pdf_doc_internal_t*i= (pdf_doc_internal_t*)malloc(sizeof(pdf_doc_internal_t));
@@ -278,11 +369,6 @@ gfxdocument_t*pdf_open(char*filename)
     
     GString *fileName = new GString(filename);
     GString *userPW;
-    Object info;
-
-    // read config file
-    if(!globalParams)
-        globalParams = new GlobalParams("");
 
     // open PDF file
     if (userPassword && userPassword[0]) {
@@ -299,69 +385,65 @@ gfxdocument_t*pdf_open(char*filename)
         return 0;
     }
 
-    // print doc info
-    i->doc->getDocInfo(&info);
-    if (info.isDict() &&
-      (getScreenLogLevel()>=LOGLEVEL_NOTICE)) {
-      printInfoString(info.getDict(), "Title",        "Title:        %s\n");
-      printInfoString(info.getDict(), "Subject",      "Subject:      %s\n");
-      printInfoString(info.getDict(), "Keywords",     "Keywords:     %s\n");
-      printInfoString(info.getDict(), "Author",       "Author:       %s\n");
-      printInfoString(info.getDict(), "Creator",      "Creator:      %s\n");
-      printInfoString(info.getDict(), "Producer",     "Producer:     %s\n");
-      printInfoDate(info.getDict(),   "CreationDate", "CreationDate: %s\n");
-      printInfoDate(info.getDict(),   "ModDate",      "ModDate:      %s\n");
-      printf("Pages:        %d\n", i->doc->getNumPages());
-      printf("Linearized:   %s\n", i->doc->isLinearized() ? "yes" : "no");
-      printf("Encrypted:    ");
-      if (i->doc->isEncrypted()) {
-        printf("yes (print:%s copy:%s change:%s addNotes:%s)\n",
-               i->doc->okToPrint() ? "yes" : "no",
-               i->doc->okToCopy() ? "yes" : "no",
-               i->doc->okToChange() ? "yes" : "no",
-               i->doc->okToAddNotes() ? "yes" : "no");
-      } else {
-        printf("no\n");
-      }
-    }
-    info.free();
-                   
+    // get doc info
+    i->doc->getDocInfo(&i->docinfo);
+    
     pdf_doc->num_pages = i->doc->getNumPages();
     i->protect = 0;
     if (i->doc->isEncrypted()) {
           if(!i->doc->okToCopy()) {
-              printf("PDF disallows copying.\n");
-              return 0;
+              i->nocopy = 1;
           }
           if(!i->doc->okToChange() || !i->doc->okToAddNotes())
               i->protect = 1;
     }
 
-    InfoOutputDev*io = new InfoOutputDev();
+    i->info = new InfoOutputDev(i->doc->getXRef());
     int t;
     i->pages = (pdf_page_info_t*)malloc(sizeof(pdf_page_info_t)*pdf_doc->num_pages);
     memset(i->pages,0,sizeof(pdf_page_info_t)*pdf_doc->num_pages);
     for(t=1;t<=pdf_doc->num_pages;t++) {
 	if(!global_page_range || is_in_range(t, global_page_range)) {
-	    i->doc->displayPage((OutputDev*)io, t, zoom, zoom, /*rotate*/0, /*usemediabox*/true, /*crop*/true, /*doLinks*/(int)1);
-	    i->pages[t-1].xMin = io->x1;
-	    i->pages[t-1].yMin = io->y1;
-	    i->pages[t-1].xMax = io->x2;
-	    i->pages[t-1].yMax = io->y2;
-	    i->pages[t-1].width = io->x2 - io->x1;
-	    i->pages[t-1].height = io->y2 - io->y1;
-	    i->pages[t-1].number_of_images = io->num_images;
-	    i->pages[t-1].number_of_links = io->num_links;
-	    i->pages[t-1].number_of_fonts = io->num_fonts;
+	    i->doc->displayPage((OutputDev*)i->info, t, zoom, zoom, /*rotate*/0, /*usemediabox*/true, /*crop*/true, /*doLinks*/(int)1);
+	    i->doc->processLinks((OutputDev*)i->info, t);
+	    i->pages[t-1].xMin = i->info->x1;
+	    i->pages[t-1].yMin = i->info->y1;
+	    i->pages[t-1].xMax = i->info->x2;
+	    i->pages[t-1].yMax = i->info->y2;
+	    i->pages[t-1].width = i->info->x2 - i->info->x1;
+	    i->pages[t-1].height = i->info->y2 - i->info->y1;
+	    i->pages[t-1].number_of_images = i->info->num_images;
+	    i->pages[t-1].number_of_links = i->info->num_links;
+	    i->pages[t-1].number_of_fonts = i->info->num_fonts;
 	    i->pages[t-1].has_info = 1;
 	}
     }
-    i->info = io;
-    i->outputDev = new GFXOutputDev(device_config);
+
+    if(isrc->config_bitmap_optimizing) {
+	BitmapOutputDev*outputDev = new BitmapOutputDev(i->info, i->doc);
+	i->outputDev = (CommonOutputDev*)outputDev;
+    } else {
+	GFXOutputDev*outputDev = new GFXOutputDev(i->info, i->doc);
+	i->outputDev = (CommonOutputDev*)outputDev;
+    }
+
+    /* pass global parameters to PDF driver*/
+    parameter_t*p = device_config;
+    while(p) {
+	i->outputDev->setParameter(p->name, p->value);
+	p = p->next;
+    }
+
+    i->middev = 0;
+    if(multiply>1) {
+    	i->middev = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
+	gfxdevice_rescale_init(i->middev, 0x00000000, 0, 0, 1.0 / multiply);
+    }
 
     pdf_doc->get = 0;
     pdf_doc->destroy = pdf_doc_destroy;
     pdf_doc->set_parameter = pdf_doc_set_parameter;
+    pdf_doc->getinfo = pdf_doc_getinfo;
     pdf_doc->getpage = pdf_doc_getpage;
 
 
@@ -375,5 +457,14 @@ gfxsource_t*gfxsource_pdf_create()
     memset(src, 0, sizeof(gfxsource_t));
     src->set_parameter = pdf_set_parameter;
     src->open = pdf_open;
+    src->internal = malloc(sizeof(gfxsource_internal_t));
+    memset(src->internal, 0, sizeof(gfxsource_internal_t));
+
+    if(!globalParams) {
+        globalParams = new GFXGlobalParams();
+	//globalparams_count++;
+    }
+    
+
     return src;
 }